vipkeylogger | 1d2da20bee9b477146e8f0986823035342de0461cf8330712cf98490ca8bb6b4

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/06/2026, 01:52

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General

Target
CONTRACT SPEC HỢP ĐỒNG NGUYÊN TẮC 2026.js
Size 2.4MB
Sample260601-cae7msbt4y
SHA256 1d2da20bee9b477146e8f0986823035342de0461cf8330712cf98490ca8bb6b4
MD5 3f1a9b7d0cfcf511bd2e54620b808d98
SHA1 4e7cb70d8ef1ec4c64ae74e654eeffc0dd5c5e26
SHA512 64238e1bb062f4bb7952b0674a6190cfacfcebe6a757705e8bf19b3cda7a3f1147e89e49b434d06c2172a6dd452b7daefef2025ec673ad592dd0c0998e59bde3
SSDEEP 49152:h4fQVoJuc0OZCAwnQ9HSOfRm836nNnP+9Lwf39E8ZmkfJc7R2:9
TLSH
T17DB55B17D66F5B4D180A3B61106A1D9AFE89CAFCEF726BC4E0CF90B214EE1110B855B7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection defense_evasion discovery execution vipkeylogger keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol
smtp
Host
hosting2.ro.hostsailor.com
Port
587
Username
[email protected]
Password
7213575aceACE@@#
Email to
[email protected]

https://api.telegram.org/bot8071660627:AAFb60NRq4wg_o7DhXUr5cIhpwAsiUS1IlI/sendMessage?chat_id=5630866666

Signatures

Family: VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5952	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe
Key opened	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	checkip.dyndns.org
1	reallyfreegeoip.org
3	reallyfreegeoip.org

ConfuserEx .NET packer 2 IoCs

Detects ConfuserEx .NET packer.

resource	yara_rule
behavioral2/memory/5952-11-0x0000028AD1330000-0x0000028AD1344000-memory.dmp	ConfuserEx
behavioral2/memory/5952-13-0x0000028AECF50000-0x0000028AECF64000-memory.dmp	ConfuserEx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5952 set thread context of 3308	5952	powershell.exe	89

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_compiler.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
1964	taskkill.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
3308	aspnet_compiler.exe
3308	aspnet_compiler.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe
5952	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5952	powershell.exe
Token: SeDebugPrivilege	3308	aspnet_compiler.exe
Token: SeDebugPrivilege	1964	taskkill.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5592 wrote to memory of 5952	5592	wscript.exe	80
PID 5952 wrote to memory of 4064	5952	powershell.exe	82
PID 5952 wrote to memory of 2608	5952	powershell.exe	83
PID 5952 wrote to memory of 4000	5952	powershell.exe	84
PID 5952 wrote to memory of 4004	5952	powershell.exe	85
PID 5952 wrote to memory of 5584	5952	powershell.exe	86
PID 5952 wrote to memory of 2336	5952	powershell.exe	87
PID 5952 wrote to memory of 2832	5952	powershell.exe	88
PID 5952 wrote to memory of 3308	5952	powershell.exe	89
PID 5952 wrote to memory of 3308	5952	powershell.exe	89
PID 5952 wrote to memory of 3308	5952	powershell.exe	89
PID 5952 wrote to memory of 3308	5952	powershell.exe	89
PID 5952 wrote to memory of 3308	5952	powershell.exe	89
PID 5592 wrote to memory of 1964	5592	wscript.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2746394149-3500112804-1243524366-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	aspnet_compiler.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\CONTRACT SPEC HỢP ĐỒNG NGUYÊN TẮC 2026.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:5592
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy Bypass -NoProfile -WindowStyle Hidden -File "C:\Temp\ps_1TcIJhlupkuw_1780278731830.ps1"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5952
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2608
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4000
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4004
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:5584
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2336
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2832
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:3308
- C:\Windows\System32\taskkill.exe
  "C:\Windows\System32\taskkill.exe" /f /im wscript.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1964

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

ps_1TcIJhlupkuw_1780278731830.ps1

Path C:\Temp\ps_1TcIJhlupkuw_1780278731830.ps1
Size 1.7MB
SHA256 1c102ae50bac6af42a0e5618704b7e3d68a27fb5be80037ebeeda10ee0f999ca
MD5 bae7a9d31fc2ca0c5ec8afa19f09a8b9
SHA1 4639efaf87180c42e95627eb5bf8c316e4977de1
SHA512 09510ef3373478008263e68c6b0f661bcd6bbbaa33054fd573c6fea48fbb01920314dfcd53eb60d05765a0c614ce86dcd9bb1d193324a70e5a8bd14f4b34160e
SSDEEP 24576:VUQO3iS/21JeA++acbJ/zh2jQQ6aFnEwk55u7meKF:L
TLSH
T1BA85BFCAD16E44D29C053FC998242BC78B2586728BB40028366F7D499F774FEC15EEE6
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_ugvvf0lu.zx1.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ugvvf0lu.zx1.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3308-14-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/3308-15-0x0000000005500000-0x0000000005AA6000-memory.dmp

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memory/3308-24-0x0000000006250000-0x000000000625A000-memory.dmp

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memory/3308-23-0x0000000006540000-0x00000000065D2000-memory.dmp

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memory/3308-22-0x0000000006110000-0x0000000006160000-memory.dmp

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memory/3308-21-0x0000000006270000-0x0000000006432000-memory.dmp

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memory/3308-16-0x0000000004F50000-0x0000000004FEC000-memory.dmp

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memory/5952-12-0x0000028AD1350000-0x0000028AD1356000-memory.dmp

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memory/5952-1-0x0000028AEAE90000-0x0000028AEAEA0000-memory.dmp

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memory/5952-17-0x0000028AEAE90000-0x0000028AEAEA0000-memory.dmp

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memory/5952-18-0x0000028AEAE90000-0x0000028AEAEA0000-memory.dmp

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memory/5952-19-0x0000028AEAE90000-0x0000028AEAEA0000-memory.dmp

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memory/5952-13-0x0000028AECF50000-0x0000028AECF64000-memory.dmp

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memory/5952-9-0x0000028AEAE90000-0x0000028AEAEA0000-memory.dmp

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memory/5952-11-0x0000028AD1330000-0x0000028AD1344000-memory.dmp

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memory/5952-8-0x0000028AEAE20000-0x0000028AEAE42000-memory.dmp

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